
#ifndef _MGeometryRequirements
#define _MGeometryRequirements
//
//-
// ==========================================================================
// Copyright (C) 1995 - 2006 Autodesk, Inc., and/or its licensors.  All 
// rights reserved.
// 
// The coded instructions, statements, computer programs, and/or related 
// material (collectively the "Data") in these files contain unpublished 
// information proprietary to Autodesk, Inc. ("Autodesk") and/or its 
// licensors,  which is protected by U.S. and Canadian federal copyright law 
// and by international treaties.
// 
// The Data may not be disclosed or distributed to third parties or be 
// copied or duplicated, in whole or in part, without the prior written 
// consent of Autodesk.
// 
// The copyright notices in the Software and this entire statement, 
// including the above license grant, this restriction and the following 
// disclaimer, must be included in all copies of the Software, in whole 
// or in part, and all derivative works of the Software, unless such copies 
// or derivative works are solely in the form of machine-executable object 
// code generated by a source language processor.

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// ==========================================================================
//+
//
// CLASS:    MGeometryRequirements
//
// *****************************************************************************
//
// CLASS DESCRIPTION (MGeometryRequirements)
//
// The MGeometryRequirements class describes the set of geometry data 
// elements required by an geometry user. For example, a material can
// specify that is needs position, normal and UV set "a" to render a
// surface.
//
//
// *****************************************************************************

#if defined __cplusplus

// *****************************************************************************

// INCLUDED HEADER FILES


#include <maya/MObject.h>
#include <maya/MString.h>
#include <maya/MStringArray.h>
#include <maya/MUintArray.h>
#include <maya/MTypes.h>

class MGeometryManager;

// *****************************************************************************

// CLASS DECLARATION (MGeometryRequirements)

/// Image manipulation (OpenMayaRender) (OpenMayaRender.py)
/**
This class provides methods for reading file images stored on disk.
*/
#ifdef _WIN32
#pragma warning(disable: 4522)
#endif // _WIN32

class OPENMAYARENDER_EXPORT MGeometryRequirements  
{
public:
	///
					MGeometryRequirements();
	///
					~MGeometryRequirements();
	///
					void addPosition();
	///
					void addComponentId();
	///
					void addNormal();
	///
					void addTexCoord( const MString& uvSetName);
	///
					void addTangent( const MString& uvSetName);
	///
					void addBinormal( const MString& uvSetName);
	///
					void addColor( const MString& colorSetName);

private:

					MGeometryRequirements( void*);
	void*			mRequirements;
	bool			mOwnsRequirements;

	// Hide these so people can't hold onto references by taking copies to
	// the temporary references to these structures passed into populateRequirements
					MGeometryRequirements( const MGeometryRequirements&);
	const MGeometryRequirements& operator=( const MGeometryRequirements&);

	friend class MGeometryManager;
	friend class MPxHardwareShader;
};

#ifdef _WIN32
#pragma warning(default: 4522)
#endif // _WIN32

// *****************************************************************************
#endif /* __cplusplus */
#endif /* _MGeometryRequirements */
